515 StarCool Alarm Codes And Actions

515  Invalid power sup
Description FC Overvoltage Fault Alarm
Cause Indication of problems with supply voltage
Trouble
shooting		 Possible causes:

  • The FC is supplied with too high voltage for continuous operation.
  • Defective FC.

Trouble shooting:
  1. Try to correct the error by uploading the latest software version to the controller.
  2. Supply unit with correct power voltage according to specification. The FC will be destroyed at too high voltages and is therefore being shut down.
  3. If voltage is within specification and not unstable, the FC may be defective and must be replaced.

If there is no FC replacement available, the unit can be rewired for emergency

operation: See “11. Emergency Operation” p. 54
Criteria Supply voltage of FC is more than (>) 550 V AC (800 V DC)
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